/**
 * boxes.css — app shell design tokens and shared component styles.
 * Loaded after Bootstrap / Select2 / Font Awesome from base.html.
 */

/* ---------------------------------------------------------------------------
 * Design tokens
 * --------------------------------------------------------------------------- */
:root {
    --boxes-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --boxes-radius: 0.5rem;
    --boxes-radius-sm: 0.375rem;
    --boxes-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --boxes-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.08);
    --boxes-border: #dee2e6;
    --boxes-surface: #ffffff;
    --boxes-surface-muted: #f8f9fa;
    --boxes-text: #212529;
    --boxes-text-muted: #6c757d;
    --boxes-primary: #0d6efd;
    --boxes-focus-ring: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
    --boxes-select2-height: 38px;
    --boxes-table-header-bg: #e9ecef;
    --boxes-table-header-fg: #212529;
    --boxes-card-padding: 1rem;
    --boxes-main-gap: 1.5rem;
}

/* ---------------------------------------------------------------------------
 * App shell
 * --------------------------------------------------------------------------- */
body {
    font-family: var(--boxes-font-sans);
    color: var(--boxes-text);
    min-height: 100vh;
}

#app-navbar {
    position: sticky;
    top: 0;
    z-index: 1030;
}

#app-navbar .navbar-brand-logo,
#app-navbar img {
    max-height: 2rem;
    width: auto;
    vertical-align: middle;
}

#app-navbar .nav-link.active {
    text-decoration: underline;
    text-underline-offset: 0.35rem;
}

#app-main {
    padding-bottom: var(--boxes-main-gap);
}

#app-main > .container,
#app-main > .container-fluid {
    margin-top: var(--boxes-main-gap);
}

/* ---------------------------------------------------------------------------
 * Cards / panels (common page chrome)
 * --------------------------------------------------------------------------- */
.boxes-card,
.bg-body.shadow,
.bg-body.shadow-sm,
.form-wrapper {
    background-color: var(--boxes-surface);
    border-radius: var(--boxes-radius);
    box-shadow: var(--boxes-shadow-sm);
}

.boxes-card {
    padding: var(--boxes-card-padding);
    border: 1px solid var(--boxes-border);
}

.boxes-page-header,
.row.bg-primary.bg-gradient.rounded {
    border-radius: var(--boxes-radius) !important;
}

/* ---------------------------------------------------------------------------
 * Tables
 * --------------------------------------------------------------------------- */
.table {
    --bs-table-bg: var(--boxes-surface);
    vertical-align: middle;
}

.table thead.table-dark th,
.table thead.table-light th,
.table thead.thead-dark th {
    background-color: var(--boxes-table-header-bg);
    color: var(--boxes-table-header-fg);
    border-color: #dee2e6;
    font-weight: 600;
    white-space: nowrap;
}

.table-responsive {
    border-radius: var(--boxes-radius-sm);
}

.table > :not(caption) > * > * {
    padding: 0.65rem 0.75rem;
}

/* ---------------------------------------------------------------------------
 * Forms
 * --------------------------------------------------------------------------- */
.form-control,
.form-select {
    border-radius: var(--boxes-radius-sm);
}

.form-control:focus,
.form-select:focus {
    border-color: #86b7fe;
    box-shadow: var(--boxes-focus-ring);
}

.form-label,
label.form-label {
    margin-bottom: 0.35rem;
    color: var(--boxes-text);
}

.invalid-feedback {
    font-size: 0.875rem;
}

/* Keep legacy form-group spacing usable during BS4 → BS5 migration */
.form-group {
    margin-bottom: 1rem;
}

/* ---------------------------------------------------------------------------
 * Select2 — match Bootstrap control height (38px)
 * --------------------------------------------------------------------------- */
.select2-container {
    width: 100% !important;
}

.select2-container--default .select2-selection--single {
    height: var(--boxes-select2-height);
    padding: 0;
    border: 1px solid var(--boxes-border);
    border-radius: var(--boxes-radius-sm);
    background-color: var(--boxes-surface);
}

.select2-container--default .select2-selection--single .select2-selection__rendered {
    line-height: var(--boxes-select2-height);
    padding-left: 0.75rem;
    padding-right: 2rem;
    color: var(--boxes-text);
}

.select2-container--default .select2-selection--single .select2-selection__arrow {
    height: var(--boxes-select2-height);
    top: 0;
    right: 0.35rem;
}

.select2-container--default.select2-container--focus .select2-selection--single,
.select2-container--default.select2-container--open .select2-selection--single {
    border-color: #86b7fe;
    box-shadow: var(--boxes-focus-ring);
}

.select2-dropdown {
    border-color: var(--boxes-border);
    border-radius: var(--boxes-radius-sm);
    box-shadow: var(--boxes-shadow);
}

.select2-container--default .select2-results__option--highlighted[aria-selected] {
    background-color: var(--boxes-primary);
}

/* Select2 inside input groups / lock-button rows */
.d-flex > .select2-container {
    flex: 1 1 auto;
    min-width: 0;
}

/* ---------------------------------------------------------------------------
 * Messages
 * --------------------------------------------------------------------------- */
.messages .alert {
    border-radius: var(--boxes-radius-sm);
}

/* ---------------------------------------------------------------------------
 * Utilities used by the shell
 * --------------------------------------------------------------------------- */
.btn-verylarge {
    padding: 1rem 2rem;
    font-size: 1.5em;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ---------------------------------------------------------------------------
 * Login page
 * --------------------------------------------------------------------------- */
#app-main.app-main--auth {
    min-height: calc(100vh - 3.5rem);
    display: flex;
    align-items: center;
    /* Bias the login card slightly above true vertical center */
    padding: 1.25rem 0 7.5rem;
}

#app-main.app-main--auth > .container-fluid {
    margin-top: 0;
}

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 1rem 0;
}

.login-card {
    width: 100%;
    max-width: 26rem;
    margin: 0 auto;
    padding: 2rem 2rem 2.25rem;
    border: 1px solid var(--boxes-border);
    box-shadow: var(--boxes-shadow);
}

.login-logo {
    display: block;
    width: 4.5rem;
    height: 4.5rem;
    margin: 0 auto 1rem;
    object-fit: contain;
    /* Avoid Chromium color-management surprises on small PNGs */
    image-rendering: auto;
    background: transparent;
}

.login-title {
    font-weight: 600;
    color: var(--boxes-text);
}

.login-card .form-control-lg {
    font-size: 1rem;
    min-height: 2.75rem;
}

.btn-login {
    font-weight: 600;
    letter-spacing: 0.01em;
}

/* ---------------------------------------------------------------------------
 * Light table headers (match light page chrome)
 * --------------------------------------------------------------------------- */
.table > thead.table-light > tr > th {
    background-color: var(--boxes-table-header-bg) !important;
    color: var(--boxes-table-header-fg) !important;
    border-bottom-color: var(--boxes-border);
}

.boxes-empty-state {
    text-align: center;
    color: var(--boxes-text-muted);
    padding: 2rem 1rem;
}

/* ---------------------------------------------------------------------------
 * Navbar: center primary nav links between brand and profile
 * --------------------------------------------------------------------------- */
@media (min-width: 992px) {
    #app-navbar .navbar-collapse {
        display: flex !important;
        flex-basis: auto;
        flex-grow: 1;
        align-items: center;
    }

    #app-navbar .navbar-nav.mx-auto {
        flex-grow: 1;
        justify-content: center;
    }
}